201023220058158 has 16 divisors (see below), whose sum is σ = 406563815849040. Its totient is φ = 66254844063936.

The previous prime is 201023220058153. The next prime is 201023220058159. The reversal of 201023220058158 is 851850022320102.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201023220058153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188223988285 + ... + 188223989352.

It is an arithmetic number, because the mean of its divisors is an integer number (25410238490565).

Almost surely, 2^{201023220058158} is an apocalyptic number.

201023220058158 is an abundant number, since it is smaller than the sum of its proper divisors (205540595790882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201023220058158 is a wasteful number, since it uses less digits than its factorization.

201023220058158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376447977731.

The product of its (nonzero) digits is 76800, while the sum is 39.

The spelling of 201023220058158 in words is "two hundred one trillion, twenty-three billion, two hundred twenty million, fifty-eight thousand, one hundred fifty-eight".